Video: MAP sensor siv rau dab tsi?
2024 Tus sau: Taylor Roberts | [email protected]. Kawg hloov kho: 2023-12-16 00:29
MAP Sensor thiab Koj
Hauv roj-txhaj cov cav tsheb, muaj ntau yam tsis txaus siab ( MAP ) sensor yog siv txhawm rau saib xyuas cov cua ntws mus rau hauv lub cav tsis tu ncua, yog li lub khoos phis tawj tuaj yeem suav qhov huab cua ntom ntom ntom ntom, kho cov roj kom tsuag mus rau hauv chav sib txuas thiab hloov kho lub sijhawm tso hluav taws.
Xav txog qhov no, yuav ua li cas thaum MAP sensor mus tsis zoo?
Yog tias MAP sensor mus phem , ECM tsis tuaj yeem txheeb xyuas lub cav kom raug, uas txhais tau tias huab cua-roj piv yuav dhau los ua neeg nplua nuj (ntau roj) lossis khov heev (roj tsawg). Qhov no ua rau siv roj ntau dhau, kev lag luam roj tsis zoo, thiab tej zaum yuav ua rau tawg. Tsis muaj hwj chim.
Tsis tas li ntawd, koj puas tuaj yeem ntxuav daim duab qhia chaw? Siv cov khoom siv hluav taws xob huv si ntawm daim ntaub mos muag los yog phuam ntawv rau huv si sab nraum lub MAP sensor . Xyuas cov MAP sensor lub tshuab nqus tsev hose los yog intake manifold chaw nres nkoj rau kev sib kis ntxiv. Ntxuav cov no nrog cov khoom siv hluav taws xob huv si thiab txhuam yog tias tsim nyog.
Ua qhov no hauv kev txiav txim siab, kuv puas tuaj yeem tsav kuv lub tsheb nrog daim duab qhia chaw tsis zoo?
Nws tsis pom zoo rau tsav koj tsheb nrog lub MAP (manifold absolute siab) sensor sib txuas. Nrog rau MAP sensor disconnected, kev xa roj yuav yuav ntau dhau thiab yuav ua rau muaj kev phom sij rau lub cav thiab tso pa tawm (catalytic converters).
3 bar map sensor ua dab tsi?
GM-style 3 bar MAP sensor . Qhov no sensor yog siv los txiav txim lub cav thauj khoom ntawm cov cav induction quab yuam. Qhov no sensor lub hom phiaj yog siv los ntawm cov tshuab ua kom muaj qhov ua tau zoo siab ntau txog 2 bar , los yog kwv yees li 30 psi ntawm kev txhawb nqa.
Pom zoo:
Dab tsi yog qhov sib txawv ntawm kev siv tas li thiab kev tsav tsheb cuam tshuam dab tsi?
Los ntawm kev sib piv, qhov cuam tshuam rau tus tsav tsheb tau nrawm dua thiab hnyav dua li tus qauv laum-tsav tsheb thiab feem ntau muaj lub zog ntau dua lossis sib zog. Cov txheej txheem xyaum ua haujlwm feem ntau yog siv rau qhov qhov drilling thiab tsav tsheb hauv cov khawm me me. Ib qho kev cuam tshuam rau tus tsav tsheb lub hom phiaj tseem ceeb yog kom tsav nrawm nrawm
MAP sensor yuav tsum nyeem dab tsi kPa?
Feem ntau MAP sensor tsim tawm qhov hluav taws xob tso tawm ntawm 0 thiab 5 volts, nyob ntawm qhov ntsuas tau ntsuas. Yog li, MAP sensor yuav tsum muaj qhov ntsuas ntau ntawm 105 kPa txog li 15 kPa
MAP sensor yuav tsum nyeem dab tsi?
MAP lub ntsuas yuav raug teeb tsa rau ntawm lub qhov hluav taws kub, sab hauv fender lossis qhov tso tawm kom pom. Lub MAP sensor uas nyeem 1 lossis 2 volts ntawm idle yuav nyeem 4.5 volts mus rau 5 volts ntawm qhov qhib dav. Cov zis feem ntau hloov pauv ntawm 0.7 txog 1.0 volts rau txhua 5 nti Hg ntawm kev hloov pauv hauv lub tshuab nqus tsev
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Dab tsi ua rau tus nab nab siv rau fray?
Fraying. Fraying ntawm ntug ntawm ib txoj siv feem ntau qhia tias misalignment ntawm lub pulleys. Thaum txoj siv tsis raug ntawm lub pulleys, khawb rau sab saum toj ntawm cov khoom siv tsav lub tog raj kheej raws li txoj siv rau hauv nws, thaum kawg ua rau txoj siv tawv